:root {
    --primary-color: #21D4FD;
    --primary-gradient: linear-gradient(135deg, #21D4FD 0%, #B721FF 100%);
    --secondary-color: #B721FF;
    --accent-color: #FF5E62;
    --dark-color: #151424;
    --dark-accent: #1e1c33;
    --light-color: #F8F9FA;
    --gray-color: #6c757d;
    --success-color: #4CAF50;
    --danger-color: #FF5252;
    --info-color: #03A9F4;
    --warning-color: #FFC107;
    --border-radius: 10px;
    --border-radius-sm: 5px;
    --box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    --animation-timing: 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background: var(--light-color);
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--animation-timing);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* Top Banner */
.top-banner {
    background-color: var(--dark-color);
    color: var(--light-color);
    padding: 0.6rem 0;
    font-size: 0.85rem;
}

.top-banner .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.language-selector {
    display: flex;
    gap: 1rem;
}

.language-selector a {
    opacity: 0.7;
    transition: opacity var(--animation-timing);
}

.language-selector a:hover, 
.language-selector a.active {
    opacity: 1;
}

/* Header */
.main-header {
    background-color: var(--light-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo a {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--dark-color);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.main-navigation ul {
    display: flex;
    gap: 2rem;
}

.main-navigation a {
    font-weight: 500;
    color: var(--dark-color);
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.main-navigation a:hover {
    color: var(--primary-color);
}

.main-navigation a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width var(--animation-timing);
}

.main-navigation a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: var(--dark-color);
    cursor: pointer;
}

/* Intro Section */
.intro-section {
    padding: 80px 0 40px;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(33, 212, 253, 0.1) 0%, rgba(183, 33, 255, 0.1) 100%);
}

.intro-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
    margin-bottom: 40px;
    position: relative;
    z-index: 1;
}

.intro-text {
    flex: 1;
    max-width: 600px;
}

.intro-text h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.intro-text .highlight {
    color: var(--primary-color);
    position: relative;
}

.intro-subtitle {
    font-size: 1.5rem;
    color: var(--gray-color);
    margin-bottom: 1.5rem;
}

.intro-description {
    margin-bottom: 2rem;
    color: var(--gray-color);
}

.intro-buttons {
    display: flex;
    gap: 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.8rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    transition: all var(--animation-timing);
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(33, 212, 253, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--dark-color);
    box-shadow: 0 0 0 2px var(--dark-color) inset;
}

.btn:hover {
    transform: translateY(-3px);
}

.btn-primary:hover {
    box-shadow: 0 8px 25px rgba(33, 212, 253, 0.5);
}

.intro-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    max-width: 500px;
    margin: 0 auto;
}

.platform-image {
    width: 100%;
    max-width: 400px;
    height: auto;
    object-fit: contain;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: transform var(--animation-timing);
    pointer-events: none;
    user-select: none;
    -webkit-user-drag: none;
}

.platform-image:hover {
    transform: translateY(-5px);
}

/* Trading Ticker */
.trading-ticker {
    display: flex;
    overflow-x: auto;
    padding: 1rem 0;
    gap: 2rem;
    margin: 0 -1.5rem;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.ticker-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    flex-shrink: 0;
}

.currency {
    font-weight: 600;
    font-size: 0.9rem;
}

.price {
    font-size: 1.2rem;
    font-weight: 700;
}

.change {
    font-size: 0.9rem;
    font-weight: 500;
}

.positive {
    color: var(--success-color);
}

.negative {
    color: var(--danger-color);
}

/* Download Section */
.download-section {
    padding: 80px 0;
    background-color: white;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
    color: var(--gray-color);
}

.section-header.dark h2,
.section-header.dark p {
    color: white;
}

.download-platforms {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.platform-card {
    background: white;
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--box-shadow);
    position: relative;
    transition: transform var(--animation-timing);
}

.platform-card:hover {
    transform: translateY(-10px);
}

.platform-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    margin-bottom: 1.5rem;
}

.platform-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.platform-features {
    margin: 1.5rem 0;
}

.platform-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
}

.platform-features i {
    color: var(--success-color);
}

.btn-download {
    background: var(--primary-gradient);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all var(--animation-timing);
}

.btn-download:hover {
    box-shadow: 0 5px 15px rgba(33, 212, 253, 0.4);
}

.version-tag {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--dark-color);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.download-info {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 300px;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

/* Features Section */
.features-section {
    padding: 80px 0;
    background: var(--dark-color);
    color: white;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.feature-box {
    background: var(--dark-accent);
    border-radius: var(--border-radius);
    padding: 2rem;
    transition: transform var(--animation-timing);
}

.feature-box:hover {
    transform: translateY(-10px);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.feature-box h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.stats-row {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 2rem;
}

.stat-item {
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--light-color);
    opacity: 0.7;
}

/* Market Section */
.market-section {
    padding: 80px 0;
    background-color: var(--light-color);
}

.market-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tab-btn {
    background: transparent;
    border: none;
    padding: 0.5rem 1.5rem;
    font-weight: 600;
    color: var(--gray-color);
    cursor: pointer;
    transition: all var(--animation-timing);
    position: relative;
}

.tab-btn::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width var(--animation-timing);
}

.tab-btn.active,
.tab-btn:hover {
    color: var(--dark-color);
}

.tab-btn.active::after,
.tab-btn:hover::after {
    width: 100%;
}

.market-table-container {
    overflow-x: auto;
    margin-bottom: 2rem;
    box-shadow: var(--box-shadow);
    border-radius: var(--border-radius);
}

.market-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.market-table th,
.market-table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.market-table th {
    background-color: rgba(0, 0, 0, 0.02);
    font-weight: 600;
    color: var(--gray-color);
}

.coin-cell {
    width: 200px;
}

.coin-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.coin-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: #f3f4f6;
}

.coin-icon.btc {
    background-color: #F7931A;
}

.coin-icon.eth {
    background-color: #627EEA;
}

.coin-icon.sol {
    background-color: #00FFA3;
}

.coin-name {
    display: flex;
    flex-direction: column;
}

.coin-name .name {
    font-weight: 600;
}

.coin-name .symbol {
    color: var(--gray-color);
    font-size: 0.9rem;
}

.market-cta {
    text-align: center;
}

.market-cta p {
    margin-bottom: 1.5rem;
    color: var(--gray-color);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 0.8rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    transition: all var(--animation-timing);
}

.btn-outline:hover {
    background: var(--primary-gradient);
    color: white;
}

/* Guide Section */
.guide-section {
    padding: 80px 0;
    background-color: white;
}

.guide-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.step-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: transform var(--animation-timing);
}

.step-card:hover {
    transform: translateY(-10px);
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    color: white;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.step-content h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.guide-resources {
    background: var(--light-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    text-align: center;
}

.guide-resources h3 {
    margin-bottom: 1.5rem;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.resource-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--box-shadow);
    transition: transform var(--animation-timing);
}

.resource-card:hover {
    transform: translateY(-5px);
}

.resource-card i {
    font-size: 2rem;
    color: var(--primary-color);
}

/* Community Section */
.community-section {
    padding: 80px 0;
    background: var(--dark-color);
    color: white;
}

.community-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4rem;
}

.community-text {
    flex: 2;
}

.community-text p {
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.social-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--dark-accent);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius-sm);
    transition: all var(--animation-timing);
}

.social-btn:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.app-qrcode {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.qrcode-image {
    width: 200px;
    height: 200px;
    background-color: white;
    border-radius: var(--border-radius-sm);
    margin-bottom: 1rem;
    position: relative;
}

.qrcode-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><path d="M30,30 L30,40 L40,40 L40,30 L30,30 Z M60,30 L60,40 L70,40 L70,30 L60,30 Z M30,60 L30,70 L40,70 L40,60 L30,60 Z" fill="black"/></svg>');
    background-size: 100% 100%;
    border-radius: var(--border-radius-sm);
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: var(--primary-gradient);
    color: white;
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta-content p {
    max-width: 600px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.btn-cta {
    background: white;
    color: var(--primary-color);
    padding: 1rem 2.5rem;
    border-radius: var(--border-radius);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--animation-timing);
}

.btn-cta:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

/* Links Section */
.links-section {
    padding: 40px 0;
    background: var(--light-color);
}

.links-wrapper {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

.related-sites {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.related-sites li a {
    color: var(--gray-color);
    font-size: 0.9rem;
    transition: color var(--animation-timing);
}

.related-sites li a:hover {
    color: var(--primary-color);
}

/* Ad Section */
.ad-section {
    padding: 20px 0;
    text-align: center;
    background: white;
}

/* Footer */
.site-footer {
    background: var(--dark-color);
    color: white;
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-column h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--primary-gradient);
}

.footer-column ul {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.footer-column a {
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--animation-timing);
}

.footer-column a:hover {
    color: white;
    transform: translateX(5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    opacity: 0.7;
    margin-bottom: 0.5rem;
}

.disclaimer {
    font-size: 0.9rem;
}

/* Responsive Styles */
@media (max-width: 992px) {
    .intro-content {
        flex-direction: column;
        text-align: center;
        gap: 3rem;
    }
    
    .intro-text {
        max-width: 100%;
    }
    
    .intro-text h1 {
        font-size: 2.8rem;
    }
    
    .intro-buttons {
        justify-content: center;
    }
    
    .intro-image {
        max-width: 100%;
        padding: 0 1rem;
    }
    
    .platform-image {
        max-width: 350px;
    }
    
    .community-content {
        flex-direction: column;
        text-align: center;
    }
    
    .social-links {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
        width: 40px;
        height: 40px;
        align-items: center;
        justify-content: center;
        background: var(--primary-gradient);
        color: white;
        border-radius: 5px;
        font-size: 1.8rem;
        cursor: pointer;
        will-change: transform;
        transition: transform 0.2s;
    }
    
    .menu-toggle:active {
        transform: scale(0.95);
    }
    
    .main-navigation {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        max-height: 0;
        overflow: hidden;
        background: white;
        transition: max-height 0.4s ease;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        z-index: 1000;
    }
    
    .main-navigation.active {
        max-height: 350px;
        overflow-y: auto;
    }
    
    .main-navigation ul {
        flex-direction: column;
        gap: 0;
        padding: 1rem 0;
    }
    
    .main-navigation li {
        width: 100%;
    }
    
    .main-navigation a {
        padding: 1rem 1.5rem;
        display: block;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        width: 100%;
        text-align: center;
    }
    
    .main-navigation a::after {
        display: none;
    }
    
    /* 增强顶部横幅在移动端的显示 */
    .top-banner .container {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    /* 调整logo大小 */
    .logo a {
        font-size: 1.5rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .stats-row {
        flex-direction: column;
        gap: 1.5rem;
    }
}

@media (max-width: 576px) {
    .intro-section {
        padding: 60px 0 30px;
    }
    
    .intro-content {
        gap: 2rem;
    }
    
    .intro-text h1 {
        font-size: 2.2rem;
    }
    
    .intro-subtitle {
        font-size: 1.2rem;
    }
    
    .intro-image {
        padding: 0;
    }
    
    .platform-image {
        max-width: 280px;
    }
    
    .intro-buttons {
        flex-direction: column;
        width: 100%;
        gap: 1rem;
    }
    
    .download-platforms {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .market-table th,
    .market-table td {
        padding: 0.8rem;
    }
    
    .guide-steps {
        grid-template-columns: 1fr;
    }
    
    .resources-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    /* 进一步优化超小屏幕设备 */
    .main-header {
        padding: 0.75rem 0;
    }
    
    .top-banner {
        padding: 0.5rem 0;
        font-size: 0.75rem;
    }
}